BioStor
 | Coleoptera Henry Skinner (1903) Transactions of The American Entomological Society 29: 38-41 |
 | The Coleoptera of New Mexico H C Fall and T D A Cockerell (1907) Transactions of The American Entomological Society 33: 145-272 |
 | Faunistic Comparison Of Adult Coleoptera Recovered From Cattle And Sheep Manure In East central South Dakota H Kessler, Balsbaugh Eg and B Mcdaniei (1974) Entomological News 85: 67-71 |